I Was Diagnosed Approximately 16 Years Ago With Myasthenia Gravis

I was diagnosed approximately 16 years ago with myasthenia gravis and rheumatoid arthritis. Approximately 20yrs ago, I have had moderate to severe nausea and vomiting every day. I have the
Vomiting under control with medications and I haven't vomited for approx 2 to 3 years. The nausea is
A different story-----I have had nausea for 24 hours a day. My question is this: is there a link between
Myasthenia and rheumatoid arthritis and the severe nausea that I endure for 24 hours each day.
Kevin, North Dakota